LTC6601-2

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Low Power, Low Distortion, 5MHz to 27MHz, Pin Configurable Filter/ADC Driver

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Overview

  • Pin Configurable Gain and Filter Response Up to 27MHz
  • Low Power: 16mA at 3V
  • Low Distortion (2VP-P)
    • 1MHz: –96dBc 2nd, –112dBc 3rd
    • 10MHz: –65dBc 2nd, –78dBc 3rd
  • Few External Components Required
  • Resistors Trimmed to 0.5% Accuracy Typical
  • Capacitors Trimmed to 0.5% Accuracy Typical
  • Adjustable Output Common Mode Voltage
  • Rail-to-Rail Output Swing
  • Power Configurability and Low Power Shutdown
  • Tiny 0.75mm 20-Lead (4mm × 4mm) QFN Package

The LTC6601-2 is a low power, low distortion, very easy-to-use fully differential 2nd order active broadband RC filter and driver. On-chip resistors, capacitors, and amplifier bandwidth are trimmed to provide consistent and repeatable filter characteristics.

The filter characteristics are pin-strap configurable. Cutoff frequencies range from 5MHz to 27MHz. Gain is pin-strap programmable between –17dB and +17dB.

A three-state BIAS pin is provided to adjust amplifier power consumption. Select between low power (50% power reduction), high performance and standby modes with the BIAS pin.

The LTC6601 family comes in two options which trade off distortion and noise. The LTC6601-2 offers the lowest distortion at high frequencies. The LTC6601-1 is configured for lowest noise. Both are available in pin-compatible packages.

The LTC6601-2 is available in a compact 4mm × 4mm 20-pin leadless QFN package.

Applications

  • Differential A/D Converter Driver
  • Antialiasing/Reconstruction Filter
  • Single-Ended to Differential Conversion/Amplification
  • Low Voltage, Low Noise, Differential Signal Processing
  • Common Mode Voltage Translation
  • Portable Instrumentation
LTC6601-2
Low Power, Low Distortion, 5MHz to 27MHz, Pin Configurable Filter/ADC Driver
Distortion Comparison Between LTC6601-1 and LTC6602-2 Product Package 1
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Documentation

Data Sheet 1

User Guide 1

Design Note 1

Data Sheet

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
LT6600-20
PRODUCTION Very Low Noise, Differential Amplifier and 20MHz Lowpass Filter
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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

  • LTC6601-1
  • LTC6601-2
LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

eval board
schematic 1
DC1251A-B

LTC6601-2 | Low Power, Low Distortion Configurable Broadband Filter Demo Board

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Product Details

DC1251A-B: Demo Board for LTC6601-2 - Low Power, Low Distortion, Low Power, Low Distortion, 5MHz to 27MHz, Pin Configurable Filter/ADC Driver

DC1251A-B
LTC6601-2 | Low Power, Low Distortion Configurable Broadband Filter Demo Board
DC1251A-A - Schematic

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